Indicia reader acoustic for multiple mounting positions

ABSTRACT

An indicia reader can include an indicia-capturing system, an indicia-decoding module, and an audio indicator system having a sound source. An indicia-reader housing can support these components, and the housing includes two adjacent mounting surfaces and a sound port opening formed within a portion of the common edge of the two adjacent surfaces. The indicia reader can be operatively mounted in at least two different positions by attaching one of the two adjacent surfaces to a support structure. The reader&#39;s sound port opening is in acoustic communication with the sound source of the audio indicator for transmitting audible indications emitted via the audio indicator system when the indicia reader is mounted in either of the at least two different mounting positions.

CROSS-REFERENCE TO RELATED APPLICATION

The present application claims the benefit of Chinese Patent Applicationfor Invention No. 201710661845.9 for an INDICIA READER ACOUSTIC FORMULTIPLE MOUNTING POSITIONS filed Aug. 4, 2017, which is herebyincorporated by reference in its entirety.

FIELD OF THE INVENTION

The present invention relates generally to the field of indicia readers.More specifically, the present invention relates to acoustic housingsfor transmitting audible indications to a user of a fixed-positionindicia reader when the reader is mounted in various mounting positions.

BACKGROUND

Generally speaking, businesses have sought to maximize efficiency byusing various devices to automate data entry. As one particular example,in the area of inventory management the indicia or symbol reading device(e.g., barcode reader, barcode scanner, RFID reader, etc.) has greatlyreduced the time and errors inherent to manual data entry.

Indicia readers may fall within a number of general categories includinghandheld readers (e.g., mobile devices employed as code symbol readers),laser scan engine barcode readers, and image sensor based barcodereaders. One such general category of indicia reader includes thefixed-mount or fixed-position indicia reader which may incorporate imagesensor and/or laser-based scan engines.

Fixed-position indicia readers, although also potentially usable in ahandheld or unmounted arrangement, are typically directed to ahands-free functional design (i.e., are configured to be mounted orinstalled on any number of mounting surfaces). Fixed-position readersmay be utilized in general or rugged environments for a variety ofapplications (e.g., retail point-of-sale (POS), kiosks, healthcare,package sorting, direct part mark (DPM), boarding pass scanning, etc.).In one particular use case, fixed-mount indicia reading systems may beemployed where the indicia (e.g., barcodes) to be read are presented byan operator or by a machine in approximately the same position andorientation on each read or scan attempt.

Fixed-position indicia readers generally include mounting mechanisms(e.g., threaded inserts and mounting screws) for affixing the reader ona mounting surface such as a wall.

Indicia readers may include visual and/or audio indicators for providinginformation to a user relating to the present status and/or the variousoperations of the indicia reader (e.g., failure indications, entering adifferent mode, completing a successful scan, etc.). Decoding successindications may be provided whereby, for example, the illuminationsystem of the reader is switched off and accompanied by an audibleindication (i.e., a tone) from a sound source (e.g., a speaker, beeper,etc.) in response to successfully reading a barcode. Further,illumination of an indicator light (e.g., an LED) from the housing ofthe reader may be provided as an indicator.

In a hands-free system such as a fixed-mount system (e.g., without auser-trigger mechanism), audible indications may be particularlyimportant for providing information relating to the indicia reader'soperations (e.g., that a successful scan has occurred). In the case ofan audible indication, the sound signal generally travels from a soundsource within the reader's housing through openings on a surface of thehousing.

For ease of use and for optimal configurability, a fixed-position readerwould ideally be accessible for mounting in a broad range of differentpositions to a mounting surface; for example, by including mountingmechanisms on all or substantially all of the surfaces of the reader'shousing. In the case of audible indications, however, the openingsexiting on a surface of the housing (i.e., to “voice” the audio) can beblocked by the mounting surface in certain mounting configurations. Tosolve this problem, additional sound sources having sound openings onadditional surfaces can be added, but the additional audio componentsand related structural features result in increased complexity and costduring manufacturing, as well as a greater potential for componentfailure during operation.

Therefore, a need exists for more effective fixed-position indiciareading systems, including but not limited to systems includingefficient, cost-effective fixed-mount indicia readers for transmittingaudible indications to a user when mounted in different positions to amounting surface.

SUMMARY

Accordingly, in one aspect, the present invention embraces an indiciareader. The indicia reader includes an indicia-capturing system foracquiring information about indicia within the indicia-capturingsystem's field of view; an indicia-decoding module configured fordecoding indicia information within the indicia-capturing system's fieldof view, the indicia-decoding module having a signal processor; an audioindicator system having a sound source for providing audible indicationsrelating to operations of the indicia reader; and a housing forsupporting and at least partially enclosing the indicia-capturingsystem, the indicia-decoding module, and the audio indicator system. Thehousing includes two adjacent mounting surfaces that meet to form acommon edge, and a sound port opening formed within a portion of thecommon edge and the two adjacent surfaces, where the sound port openingis recessed inward with respect to the common edge. The indicia readeris configured to be operatively mounted in at least two differentpositions by respectively attaching one of the two adjacent surfaces toa support structure, and the sound port opening is in acousticcommunication with the sound source of the audio indicator fortransmitting audible indications emitted via the audio indicator systemwhen the indicia reader is mounted in either of the at least twodifferent mounting positions.

In an exemplary embodiment, each of the two adjacent mounting surfacesincludes at least one mounting insert for use in mounting the indiciareader to a support structure.

In another exemplary embodiment, a chamber is positioned within thehousing and at least partially enclosing the audio indicator system andthe sound source for acoustically communicating with the sound portopening.

In yet another exemplary embodiment, the chamber encloses the soundsource, and the chamber includes a sound conducting channel spanningcontinuously from the sound source to the sound port opening.

In yet another exemplary embodiment, the sound conducting channel formsa continuous acoustic transmission path for transmitting audibleindications emitted via the audio indicator system to the opening.

In yet another exemplary embodiment, the housing is substantiallyrectangular.

In yet another exemplary embodiment, the sound source is a singlebeeper.

In yet another exemplary embodiment, the sound port opening is formedwithin a beveled portion of the common edge joining the two adjacentmounting surfaces of the housing.

In yet another exemplary embodiment, the sound source is a singlespeaker.

In yet another exemplary embodiment, the indicia reader is afixed-position indicia reader configured for acquiring information aboutindicia presented within the indicia-capturing system's field of viewwhen the indicia reader is mounted in either of the at least twomounting positions.

In another aspect, the present invention embraces a housing for anindicia reader. The housing includes an audio indicator system at leastpartially enclosed within the housing, with the audio indicator systemhaving a sound source for providing audible indications to a userrelating to indicia reader operations. The housing also includes twoadjacent mounting surfaces where the two adjacent mounting surfaces meetto form a common edge, and a sound conducting channel in acousticcommunication with the sound source, where the sound conducting channelhas a sound port opening formed within a beveled portion of the commonedge which joins the two adjacent surfaces. The housing is configured tobe mounted in at least two different mounted positions by respectivelyattaching one of the two adjacent mounting surfaces to a supportstructure. The sound conducting channel is configured to transmitaudible indications emitted via the sound source to the sound portopening when the housing is mounted in either of the at least twodifferent mounted positions.

In an exemplary embodiment, the housing includes and at least partiallyencloses an indicia-capturing system for acquiring information aboutindicia within the indicia-capturing system's field of view.

In another exemplary embodiment, the housing includes and at leastpartially encloses an indicia-decoding module configured for decodingindicia information within the indicia-capturing system's field of view,the indicia-decoding module comprising a signal processor.

In yet another exemplary embodiment, the housing is substantiallyrectangular.

In yet another exemplary embodiment, the sound source is a singlebeeper.

In yet another exemplary embodiment, the sound conducting channelincludes a chamber positioned within the housing and at least partiallyenclosing the audio indicator system.

In yet another exemplary embodiment, the chamber encloses the soundsource and the sound conducting channel spans continuously to the soundport opening.

In another aspect, the present invention embraces a fixed-positionindicia reader. The fixed-position indicia reader includes anindicia-capturing system for acquiring information about indiciapresented within the indicia-capturing system's field of view when thefixed-position indicia reader is mounted to a support structure; anaudio indicator system for providing audible indications relating toindicia reader operations, the audio indicator system having a soundsource comprising a single beeper; and a housing for supporting and atleast partially enclosing the indicia-capturing system and the audioindicator system. The housing includes two adjacent mounting surfaceswhere the two adjacent mounting surfaces meet to form a common edge, anda sound port opening formed within a beveled portion of the common edgejoining the two adjacent mounting surfaces. The housing is configuredfor operatively mounting the fixed-position indicia reader to a supportstructure in at least two different mounting positions by respectivelyattaching one of the two adjacent mounting surfaces to a supportstructure. The sound port opening is in acoustic communication with thesound source for transmitting audible indications emitted from the soundsource to the sound port opening when the housing is mounted in eitherof the at least two different mounting positions.

In an exemplary embodiment, the housing comprises, and at leastpartially encloses, an indicia-decoding module configured for decodingindicia information within the indicia-capturing system's field of view,the indicia-decoding module including a signal processor.

In another exemplary embodiment, the sound port opening is in acousticcommunication with the sound source via a sound conducting channelspanning continuously from the sound source to the sound port opening.

The foregoing illustrative summary, as well as other exemplaryobjectives and/or advantages of the invention, and the manner in whichthe same are accomplished, are further explained within the followingdetailed description and its accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a front perspective view depicting an exemplary mountableindicia-reader.

FIG. 2 is a rear perspective view depicting the exemplary mountableindicia-reader.

FIG. 3 is a schematic block diagram representative of a system designfor the exemplary mountable indicia-reader.

FIG. 4 is a schematic block diagram representative of an exemplaryindicia-reading system including an exemplary mountable indicia-reader.

FIG. 5 is a rear perspective internal view depicting the exemplarymountable indicia-reader.

FIG. 6 is a bottom perspective view depicting the exemplary mountableindicia-reader mounted to a support structure.

FIG. 7 is a left perspective view depicting the exemplary mountableindicia-reader mounted to a support structure.

DETAILED DESCRIPTION

The present invention embraces fixed-position indicia reading systemsincluding mountable indicia readers having acoustic housings foreffectively transmitting audible indications from a single sound sourcefrom various mounting positions or configurations.

In an exemplary embodiment, the fixed-position indicia reader isconfigured to be operatively mounted in at least two different positionsby respectively attaching one of two adjacent mounting surfaces to asupport structure. The exemplary mountable indicia reader also includesa sound port that is in acoustic communication with a sound source foreffectively transmitting audible indications to a user when thefixed-position indicia reader is mounted in either of the at least twodifferent mounting positions.

Indicia reading devices are often employed to decode indicia such asbarcodes. A barcode is a machine-readable representation of informationin graphic format. Traditionally, a barcode is a series of parallel barsand spaces of varying widths (e.g., a linear barcode or 1D barcode).

More recently, there has been an increase in the use of alternatives tothe linear barcode. For example, matrix codes (e.g., 2D barcodes, QRCode, Aztec Code, Data Matrix, etc.) and Optical Character Recognition(OCR) have enjoyed increasing popularity. As used herein, terms such asindicia, barcode, and/or code symbol are intended in their broadestsense to include linear barcodes, matrix barcodes, and OCR-enabledlabels, but are not limited to these examples.

One category of indicia readers includes laser-based readers, generallyincluding a laser diode assembly generating a laser light beam and amoving mirror for sweeping the laser light beam across a decodablesymbol, whereby a signal is generated corresponding to the decodablesymbol.

Image sensor-based readers include multi-element image sensors such asCID, CMOS, or CCD image sensors and an imaging optic for focusing animage onto the image sensor. In the operation of an image sensor-basedreader, an image of a decodable symbol is focused on an image sensor anda signal is generated corresponding to the symbol. Image sensor elementsmay be arrayed in a line or in a rectangular matrix or area. Area imagesensors, for example, capture a digital picture and use softwarealgorithms to find and decode one or more symbols.

Image sensor-based readers are, generally, more durable and offeradditional features relative to laser scan engine readers. Features andfunctions which have been incorporated into image sensor-based barcodereaders include image processing capabilities.

With reference to the drawings, FIGS. 1 and 2 depict perspective viewsan exemplary indicia-reading device according to the present invention,in this case a fixed-position or mountable indicia reader 100 arrangedprimarily for fixed-position reading. For ease of reference, FIGS. 1 and2 depict the exemplary reader 100 in an unmounted arrangement. FIGS. 6and 7, discussed below, depict a mounted arrangement.

The exemplary mountable indicia reader 100 includes a housing 102. Thehousing 102 has front surface 102 a including a light transmissionwindow 103 integrated within the front surface portion of the housing102. The housing 102 further includes a top surface 102 b, a bottomsurface 102 c, a right-side surface 102 d, a left-side surface 102 e,and a back-side surface portion 102 f. The back-side of the housingincorporates a cable 600 electronically connected to the reader 100 foroperation in an exemplary indicia reading system, as further describedbelow with reference to FIG. 4.

Respective surfaces of the indicia reader 100 include mountingmechanisms 131 for affixing or mounting the reader on a mounting surface(e.g., a wall, a table, etc.). In one example, the mounting mechanisms130 include threaded inserts and corresponding mounting screws, but anyof a range of acceptable mechanisms or fasteners may be used. In thepresent case, the fixed-position reader 100 includes mounting mechanisms130 on each respective surface except for the back-side portionincluding connector cable 600 (e.g., substantially all of the surfacesof the reader's housing). Thus, the fixed-position reader 100 isadvantageously available for mounting in a broad range of differentpositions to a mounting surface.

As further described below with reference to FIGS. 5-7, the exemplarymountable indicia reader 100 includes sound ports 116 (FIG. 2) that arein acoustic communication with an audio indicator system having a soundsource for transmitting audible indications to a user when thefixed-position indicia reader is mounted in different positions.

Behind the light transmission window 103, the housing 102 may includemay include one or more light sensing assemblies (i.e.,indicia-capturing systems), such as an image sensor-based reading engineand/or a laser scan engine that is utilized for reading indicia,symbols, images, and the like.

The exemplary mountable indicia reader 100, when positioned in a fixedor mounted position (e.g., FIGS. 6 and 7), may operate in a pass-throughscanning mode whereby objects 112 bearing indicia are passed within afield of view 104 to activate an indicia reading system, for example, asgenerally depicted schematically at FIG. 3. The exemplary reader 100,when positioned in a fixed or mounted position, may also operate in apresentation scanning mode whereby placing objects into an activationrange of infrared (IR) sensor 105 (FIG. 1) activates an indicia readingsystem to capture or scan indicia within a field of view 104, decode theindicia, and send relevant data (e.g., via connector 600).

The reader 100 could also be configured for manual activation oroperation, such that a manually-actuated button or other user-interfacemechanism (e.g., keyboard, trigger, etc.) may be utilized to activate anindicia reading system (not explicitly shown).

The exemplary indicia reader, in this case a mountable, fixed-positionreader 100, has an indicia reading system that includes anindicia-capturing system 210, as depicted at FIG. 3. Theindicia-capturing system 210 acquires information about indicia withinits field of view 104. Typically, the indicia reader 100 is mounted on asurface and functions in an automatic mode (e.g., presentation mode)whereby an object 112 that bears an indicium may be placed within thefield of view 104 of the indicia-capturing system 210. The indiciareader 100, however, could also be utilized in a handheld mode where theindicia-capturing system 210 may be manipulated to reposition the fieldof view 104 to include the object 112 bearing the indicium.

In some instances, the indicia-capturing system 210 may be a laser-basedsystem that sweeps a light beam (e.g., a laser beam) across the field ofview 104 and then receives the optical signals that reflect or scatteroff the indicium. Typically, the optical signal is received using aphotoreceptor (e.g., photodiode) and is converted into an electricalsignal. The electrical signal is an electronic representation of theindicia information (e.g., the data represented by the indicia). When inthe form of an electrical signal, this information can be processed(e.g., decoded).

The indicia-decoding module 220 is configured to decode indiciainformation (e.g., electrical signal or digital image) acquired by theindicia-capturing subsystem 210. Although the indicia reader 100 hasbeen described as including an indicia-decoding module 220 as shown,this is only by way of example. In other contemplated embodiments, theindicia-reader 100 may include an indicia-capturing system 210 andtransmit the acquired optical information for processing or decoding atan external host or similar system (e.g., via connector 600). Referencescontained herein to electrical signals are intended broadly to alsoencompass digital images capable of being electronically processed(e.g., an image-processing computer processor).

FIG. 4 is a schematic block diagram representing various exemplarysubsystems or components of an exemplary indicia-reading system 1000,and which includes the systems of indicia reader 100 as generallydepicted schematically and described with respect to FIG. 3. AlthoughFIG. 4 includes schematic representations of components for animage-sensor based reader 100, as noted above the exemplary indiciareader 100 may alternatively (or in addition) include a laser-basedscanning arrangement. With reference to FIG. 4, a border illustrateshousing 102 with the exemplary components depicted as positioned withinthe border being components disposed, at least partially, within housing102.

The exemplary indicia-reading system 1000 of FIG. 4 includes an imageformation and detection mechanism (IFD) 312 (i.e., a camera) havingimaging optics for producing a field of view 104. The camera 312 mayinclude an area-type image detection array for detecting imaged lightreflected off an object (e.g., object 112 as shown at FIG. 3).

Further, the exemplary indicia-reading system 1000 includes anillumination system 316 (e.g., having one or more LEDs) for producingillumination within the field of view 104. The emitted illumination maybe transmitted through a narrow-band transmission-type optical filter.

An object detection subsystem 313 is in operative communication with IRsensor 105 for producing an IR-based object detection field (e.g., foractivating an indicia reading system when objects are passed within thedetection field).

A communication assembly 321 is configured for receiving input and foroutputting processed image data and related information to an externalhost computer 400 or other device (e.g., via a wired or wirelessconnection). For example, the communication assembly 321 maytransmit/receive data via connector 600.

Each respective subsystem of the exemplary indicia-reading device 100may be operatively interfaced via a controller 314, and the componentscoupled to a system bus 300.

As shown, the exemplary indicia-reading device 100 includes an audioindicator system 110 including a sound source 111 for providinginformation to a user relating to the present status and/or the variousoperations of the indicia reader (e.g., failure indications, entering adifferent mode, completing a successful scan, etc.). Further,illumination of an indicator light (e.g., an LED) of the housing 102from illumination indicator system 341 may be provided as a statusindicator relating to reader operations.

Referring to further aspects of the exemplary indicia reading system1000, the exemplary mountable indicia reader 100 can include a centralprocessing unit (CPU) 318 for processing digital signals output by thecamera 312 or other/additional light sensing assemblies. The indiciareader 100 may also include random access memory (RAM) 217, a read onlymemory 219, and a storage memory 220 (e.g., flash memory, a hard drive,etc.).

For attempting to decode indicia information, CPU 318 can processdigital signal image data. The data corresponds to a line of pixelpositions (e.g., a row, a column, or a diagonal set of pixel positions)in the case of an image-sensor-array-based light sensing assembly ofFIG. 4. Otherwise, a digital signal representing an indicium cancorrespond to a scan path in the case of a laser-scanning-based lightsensing assembly to determine a spatial pattern of dark and light cells.The CPU 218 can convert each light and dark cell pattern determined intoa character or character string via table lookup.

In other contemplated embodiments, the indicia-reader 100 may captureand transmit the acquired optical information for processing or decodingat an external host or similar system (e.g., via a wired or wirelessconnection).

Where a decodable indicia representation is, for example, a 2D bar codesymbology, a decode attempt can comprise the steps of locating a finderpattern using a feature detection algorithm, locating matrix linesintersecting the finder pattern according to a predeterminedrelationship with the finder pattern, determining a pattern of dark andlight cells along the matrix lines, and converting each light patterninto a character or character string via table lookup.

Regarding CPU 318, CPU 318 may run an operating system (OS) and aplurality of applicable device drivers via a communication interface321.

Indicia reader 100 can include a power supply 322 that supplies power toa power grid 340 to which the internal electrical components (e.g.,integrated circuits) can be connected. Power supply 322 can be coupledto internal or external power sources 500; e.g. a battery, a serialinterface (e.g., USB RS232), and/or an AC/DC transformer.

FIG. 5 is a rear-perspective internal view (i.e., a cutaway view) of theexemplary mountable reader 100. FIG. 5 illustrates the acousticstructure and related features of the exemplary housing 102. An audioindicator system 110 including a sound source 111 is disposed within thehousing and positioned on a substrate 112 (e.g., an integrated circuitboard). The audio indicator system 110 is configured and arranged forproviding information to a user relating to the present status and/orthe various operations of the indicia reader, for example, by emitting atone after completion of a successful scan.

A chamber component 113 within the housing is shown enclosing portionsof the audio indicator system 110 and surrounding the sound source 111.For example, the chamber may include a recess 113 a forming aninterference or snap fit onto a section of the audio indicator system110 protruding from the substrate 112 in order to mate with thesubstrate 112. The chamber may be formed via injection molding of adurable rubber or elastomeric material.

As shown, the chamber 113 forms a sound conducting channel 120 (e.g., anacoustic-waveguide, sound conducting conduit, etc.) spanning from firstend 114 about the sound source 111 to a second end 115 about the soundport openings 116. Thus, the sound conducting channel 120 is inacoustically communication with the sound port opening 116 forcommunicating audible indications emitted via the audio indicator system110 to a user.

As depicted in the drawings, the exemplary housing 102 has substantiallyrectangular appearance, generally a rectangular box or prism,notwithstanding the connector 600 features and slightly rounded edges(e.g., for ease of use and handling). The sound port segment 125 (e.g.,including the sound port openings 116 or beeper holes) is positionedwithin a void space along an edge 130 where two adjacent surfaces 102 c,102 e meet. In this regard, the sound port segment 125 is inset,extending inward with regard to the outer portion of the adjacent edge130.

As depicted, the sound port openings 116 are formed within a beveledportion or segment 125 of the common edge 130 joining the two adjacentmounting surfaces 102 c, 102 e of the housing 102. Thus, even though thesound source 111 of the audio indicator system 110 may comprise a singlespeaker, beeper, or other sound emitting mechanism, the acoustic housing102 can provide sound indications to a user when mounted on either ofthe two adjacent mounting surfaces 102 c, 102 e in various mountedpositions (e.g., at least two different mounting positions).

FIGS. 6 and 7, respectively, show the exemplary fixed-position reader100 mounted onto a supporting surface 140 about the left-side surface102 e (FIG. 6) and the bottom surface 102 c (FIG. 7). As illustrated,the sound ports 116 are not being blocked by the mounting surface 140 ineither arrangement. Thus, audio signals emitted from the sound source111 are effectively conducted through the channel acoustic structure 120(FIG. 5) and transmitted through the sound ports 116 formed in theindicia reader housing 102 at recessed segment 125, therefore increasingthe sound projection and/or the ability of a user to perceive theaudible indications.

As shown and described herein, the exemplary acoustic housing for afixed-position indicia reader includes a sound channel and sound portsformed about recessed or inset segment joining two adjacent mountingsurfaces of the housing. Accordingly, even when the sound sourcecomprises a single emitter (e.g., a beeper or speaker), thefixed-position indicia reader can transmit audible indications to a userwhen the indicia reader is mounted to a support surface on either of thetwo adjacent mounting surfaces without the sound being blocked by thesupport surface.

To supplement the present disclosure, this application incorporatesentirely by reference the following commonly assigned patents, patentapplication publications, and patent applications:

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In the specification and/or figures, typical embodiments of theinvention have been disclosed. The present invention is not limited tosuch exemplary embodiments. The use of the term “and/or” includes anyand all combinations of one or more of the associated listed items. Thefigures are schematic representations and so are not necessarily drawnto scale. Unless otherwise noted, specific terms have been used in ageneric and descriptive sense and not for purposes of limitation.

1.-20. (canceled)
 21. An apparatus comprising: a housing having twoadjacent mounting surfaces and a sound conducting channel in acousticcommunication with a sound source, wherein the housing is configured tobe mounted in at least two different mounted positions by respectivelyattaching one or more of the two adjacent mounting surfaces to a supportstructure of an indicia reader, wherein the two adjacent mountingsurfaces meet to form a common edge, and wherein the sound conductingchannel comprises a sound port opening positioned with at least aportion on the common edge; an indicia-capturing system at leastpartially enclosed within the housing; and an audio indicator system atleast partially enclosed within the housing, the audio indicator systemcomprising the sound source, wherein the sound source is configured toprovide audible indications.
 22. The apparatus of claim 21, wherein theindicia reader is a fixed-mount indicia reader.
 23. The apparatus ofclaim 21, wherein the indicia-capturing system comprises at least oneimage sensor and at least one imaging optic, wherein theindicia-capturing system is configured to capture an image of at leastone decodable symbol that is focused on the at least one image sensorvia the at least one imaging optic.
 24. The apparatus of claim 23,wherein the at least one image sensor is a CMOS image sensor.
 25. Theapparatus of claim 24 wherein the at least one image sensor comprises atwo dimensional array of pixels adapted to operate in a global shuttermode.
 26. The apparatus of claim 25 wherein the apparatus furthercomprises a processor that is configured to process the image of the atleast one decodable symbol.
 27. The apparatus of claim 26 wherein theprocessor is configured to determine a spatial pattern of dark and lightcells and convert each light and dark cell into a character or acharacter string via table lookup.
 28. The apparatus of claim 26 whereinthe processor is configured to: locate a finder pattern using a featuredetection algorithm; locate matrix lines intersecting the finder patternaccording to a predetermined relationship with the finder pattern;determine a pattern of dark and light cells along the matrix lines; andconvert each light pattern into a character or a character string viatable lookup.
 29. The apparatus of claim 28 wherein the processor isconfigured to cause an audio signal to be generated by the audioindicator system in an instance in which at least one symbol in theimage of the at least one decodable symbol is decoded.
 30. The apparatusof claim 28 wherein the apparatus further comprises an illuminationsystem, wherein the illumination system is configured to provide anindication in an instance in which the at least one symbol in the imageof the at least decodable symbol is decoded.
 31. The apparatus of claim21 wherein the sound port opening is formed within a beveled portion ofthe common edge joining the two adjacent mounting surfaces of thehousing.
 32. The apparatus of claim 21 wherein the sound port opening isrecessed inward with respect to the common edge.
 33. The apparatus ofclaim 21, wherein the sound conducting channel is configured to transmitthe audible indications emitted via the sound source to the sound portopening when the housing is mounted in either of at least two differentmounted positions.
 34. The apparatus of claim 33, wherein the soundconducting channel comprises a chamber that is positioned within thehousing and at least partially enclosing the audio indicator system. 35.The apparatus of claim 34, wherein the chamber encloses the sound sourceand the sound conducting channel spans continuously to the sound portopening.
 36. The apparatus of claim 21, wherein indicia reader is aportable indicia reader.
 37. The apparatus of claim 36, wherein theindicia-capturing system comprises at least one image sensor and atleast one imaging optic, wherein the indicia-capturing system isconfigured to capture an image of at least one decodable symbol that isfocused on the at least one image sensor via the at least one imagingoptic.
 38. The apparatus of claim 37, wherein the at least one imagesensor is a CMOS image sensor that comprises a two dimensional array ofpixels adapted to operate in a global shutter mode and wherein theapparatus further comprises a processor that is configured to: locate afinder pattern using a feature detection algorithm; locate matrix linesintersecting the finder pattern according to a predeterminedrelationship with the finder pattern; determine a pattern of dark andlight cells along the matrix lines; and convert each light pattern intoa character or a character string via table lookup.
 39. A systemcomprising: a fixed-mount indicia reader; and a housing having twoadjacent mounting surfaces, wherein the housing is configured to bemounted in the fixed-mount indicia reader in at least two differentmounted positions, wherein the two adjacent mounting surfaces meet toform an edge, wherein the housing has a sound port opening that isproximate to the edge, and wherein the sound port opening is incommunication with a sound source that is configured to provide audibleindications, the housing comprising: an indicia-capturing system atleast partially enclosed within the housing, wherein theindicia-capturing system comprises an image sensor and an imaging optic;an illumination system at least partially enclosed within the housing,wherein the illumination system is configured to produce illumination;and a processor configured to process signals output by theindicia-capturing system and cause the sound source to provide theaudible indications.
 40. The system of claim 39, wherein the at leastone image sensor is a CMOS image sensor.
 41. The system of claim 40wherein the at least one image sensor comprises a two dimensional arrayof pixels adapted to operate in a global shutter mode.
 42. The system ofclaim 41 wherein the processor is configured to determine a spatialpattern of dark and light cells from the signals output by theindicia-capturing system and convert each light and dark cell patterninto a character or a character string via table lookup.
 43. The systemof claim 42 wherein the processor is configured to: locate a finderpattern in the signals output by the indicia-capturing system using afeature detection algorithm; locate matrix lines intersecting the finderpattern according to a predetermined relationship with the finderpattern; determine a pattern of dark and light cells along the matrixlines; and convert each light pattern into a character or a characterstring via table lookup.
 44. The system of claim 39 wherein the soundport opening is formed within a beveled portion of the edge joining thetwo adjacent mounting surfaces of the housing.
 45. The system of claim39 wherein the sound port opening is recessed inward with respect to theedge.
 46. An indicia reader, comprising: an indicia-capturing system; anaudio indicator system for providing audible indications relating toindicia reader operations, the audio indicator system having a soundsource; and a housing that is detachably attached to the indicia readerand configured to support and at least partially enclose theindicia-capturing system and the audio indicator system, the housingcomprising: two adjacent mounting surfaces wherein the two adjacentmounting surfaces meet to form a common edge; and a sound port openingadjacent to the common edge joining the two adjacent mounting surfaces.47. The indicia reader of claim 46, wherein the indicia-capturing systemcomprises at least one image sensor and at least one imaging optic,wherein the indicia-capturing system is configured to capture an imageof at least one decodable symbol that is focused on the at least oneimage sensor via the at least one imaging optic.
 48. The indicia readerof claim 47, wherein the at least one image sensor is a CMOS imagesensor that comprises a two dimensional array of pixels adapted tooperate in a global shutter mode and wherein The indicia reader furthercomprises a processor that is configured to: locate a finder patternusing a feature detection algorithm; locate matrix lines intersectingthe finder pattern according to a predetermined relationship with thefinder pattern; determine a pattern of dark and light cells along thematrix lines; and convert each light pattern into a character or acharacter string via table lookup.
 49. The indicia reader of claim 46wherein the sound port opening is formed within a beveled portion of thecommon edge joining the two adjacent mounting surfaces of the housing.50. The indicia reader of claim 46 wherein the sound port opening isrecessed inward with respect to the common edge.